feat: note transclusion (#475)

Jacky Zhao

2023-09-13 cce389c81d262d1d2a2bd8140c879efd68e3c6dd

 quartz/components/renderPage.tsx

@@ -4,6 +4,8 @@
import BodyConstructor from "./Body"
import { JSResourceToScriptElement, StaticResources } from "../util/resources"
import { FullSlug, RelativeURL, joinSegments } from "../util/path"
import { visit } from "unist-util-visit"
import { Root, Element } from "hast"

interface RenderComponents {
  head: QuartzComponent
@@ -53,6 +55,40 @@
  components: RenderComponents,
  pageResources: StaticResources,
): string {
  // process transcludes in componentData
  visit(componentData.tree as Root, "element", (node, _index, _parent) => {
    if (node.tagName === "blockquote") {
      const classNames = (node.properties?.className ?? []) as string[]
      if (classNames.includes("transclude")) {
        const inner = node.children[0] as Element
        const blockSlug = inner.properties?.["data-slug"] as FullSlug
        const blockRef = node.properties!.dataBlock as string

        // TODO: avoid this expensive find operation and construct an index ahead of time
        let blockNode = componentData.allFiles.find((f) => f.slug === blockSlug)?.blocks?.[blockRef]
        if (blockNode) {
          if (blockNode.tagName === "li") {
            blockNode = {
              type: "element",
              tagName: "ul",
              children: [blockNode],
            }
          }

          node.children = [
            blockNode,
            {
              type: "element",
              tagName: "a",
              properties: { href: inner.properties?.href, class: ["internal"] },
              children: [{ type: "text", value: `Link to original` }],
            },
          ]
        }
      }
    }
  })

  const {
    head: Head,
    header,